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465 lines
12 KiB
PHTML
465 lines
12 KiB
PHTML
4 years ago
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<?php
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namespace Safe;
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use Safe\Exceptions\MiscException;
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/**
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* Defines a named constant at runtime.
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*
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* @param string $name The name of the constant.
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*
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* It is possible to define constants with reserved or
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* even invalid names, whose value can (only) be retrieved with
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* constant. However, doing so is not recommended.
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* @param mixed $value The value of the constant. In PHP 5, value must
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* be a scalar value (integer,
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* float, string, boolean, or
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* NULL). In PHP 7, array values are also accepted.
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*
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* While it is possible to define resource constants, it is
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* not recommended and may cause unpredictable behavior.
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* @param bool $case_insensitive If set to TRUE, the constant will be defined case-insensitive.
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* The default behavior is case-sensitive; i.e.
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* CONSTANT and Constant represent
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* different values.
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*
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* Case-insensitive constants are stored as lower-case.
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* @throws MiscException
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*
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*/
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function define(string $name, $value, bool $case_insensitive = false): void
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{
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error_clear_last();
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$result = \define($name, $value, $case_insensitive);
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if ($result === false) {
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throw MiscException::createFromPhpError();
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}
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}
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/**
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* Prints out or returns a syntax highlighted version of the code contained
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* in filename using the colors defined in the
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* built-in syntax highlighter for PHP.
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*
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* Many servers are configured to automatically highlight files
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* with a phps extension. For example,
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* example.phps when viewed will show the
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* syntax highlighted source of the file. To enable this, add this
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* line to the httpd.conf:
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*
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* @param string $filename Path to the PHP file to be highlighted.
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* @param bool $return Set this parameter to TRUE to make this function return the
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* highlighted code.
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* @return string|bool If return is set to TRUE, returns the highlighted
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* code as a string instead of printing it out. Otherwise, it will return
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* TRUE on success, FALSE on failure.
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* @throws MiscException
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*
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*/
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function highlight_file(string $filename, bool $return = false)
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{
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error_clear_last();
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$result = \highlight_file($filename, $return);
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if ($result === false) {
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throw MiscException::createFromPhpError();
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}
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return $result;
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}
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/**
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*
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*
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* @param string $str The PHP code to be highlighted. This should include the opening tag.
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* @param bool $return Set this parameter to TRUE to make this function return the
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* highlighted code.
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* @return string|bool If return is set to TRUE, returns the highlighted
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* code as a string instead of printing it out. Otherwise, it will return
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* TRUE on success, FALSE on failure.
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* @throws MiscException
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*
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*/
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function highlight_string(string $str, bool $return = false)
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{
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error_clear_last();
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$result = \highlight_string($str, $return);
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if ($result === false) {
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throw MiscException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Pack given arguments into a binary string according to
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* format.
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*
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* The idea for this function was taken from Perl and all formatting codes
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* work the same as in Perl. However, there are some formatting codes that are
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* missing such as Perl's "u" format code.
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*
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* Note that the distinction between signed and unsigned values only
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* affects the function unpack, where as
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* function pack gives the same result for
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* signed and unsigned format codes.
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*
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* @param string $format The format string consists of format codes
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* followed by an optional repeater argument. The repeater argument can
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* be either an integer value or * for repeating to
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* the end of the input data. For a, A, h, H the repeat count specifies
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* how many characters of one data argument are taken, for @ it is the
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* absolute position where to put the next data, for everything else the
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* repeat count specifies how many data arguments are consumed and packed
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* into the resulting binary string.
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*
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* Currently implemented formats are:
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*
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* pack format characters
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*
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*
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*
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* Code
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* Description
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*
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*
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*
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*
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* a
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* NUL-padded string
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*
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*
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* A
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* SPACE-padded string
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*
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* h
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* Hex string, low nibble first
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*
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* H
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* Hex string, high nibble first
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* csigned char
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*
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* C
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* unsigned char
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*
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* s
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* signed short (always 16 bit, machine byte order)
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*
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*
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* S
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* unsigned short (always 16 bit, machine byte order)
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*
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*
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* n
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* unsigned short (always 16 bit, big endian byte order)
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*
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*
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* v
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* unsigned short (always 16 bit, little endian byte order)
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*
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*
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* i
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* signed integer (machine dependent size and byte order)
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*
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*
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* I
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* unsigned integer (machine dependent size and byte order)
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*
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*
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* l
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* signed long (always 32 bit, machine byte order)
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*
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*
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* L
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* unsigned long (always 32 bit, machine byte order)
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*
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*
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* N
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* unsigned long (always 32 bit, big endian byte order)
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*
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*
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* V
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* unsigned long (always 32 bit, little endian byte order)
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*
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*
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* q
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* signed long long (always 64 bit, machine byte order)
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*
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*
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* Q
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* unsigned long long (always 64 bit, machine byte order)
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*
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*
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* J
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* unsigned long long (always 64 bit, big endian byte order)
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*
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*
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* P
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* unsigned long long (always 64 bit, little endian byte order)
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*
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*
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* f
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* float (machine dependent size and representation)
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*
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*
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* g
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* float (machine dependent size, little endian byte order)
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*
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*
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* G
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* float (machine dependent size, big endian byte order)
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*
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*
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* d
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* double (machine dependent size and representation)
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*
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*
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* e
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* double (machine dependent size, little endian byte order)
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*
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*
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* E
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* double (machine dependent size, big endian byte order)
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*
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*
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* x
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* NUL byte
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*
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*
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* X
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* Back up one byte
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*
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*
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* Z
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* NUL-padded string (new in PHP 5.5)
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*
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*
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* @
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* NUL-fill to absolute position
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*
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*
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*
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*
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* @param mixed $params
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* @return string Returns a binary string containing data.
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* @throws MiscException
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*
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*/
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function pack(string $format, ...$params): string
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{
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error_clear_last();
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if ($params !== []) {
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$result = \pack($format, ...$params);
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} else {
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$result = \pack($format);
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}
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if ($result === false) {
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throw MiscException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Convert string from one codepage to another.
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*
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* @param int|string $in_codepage The codepage of the subject string.
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* Either the codepage name or identifier.
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* @param int|string $out_codepage The codepage to convert the subject string to.
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* Either the codepage name or identifier.
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* @param string $subject The string to convert.
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* @return string The subject string converted to
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* out_codepage.
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* @throws MiscException
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*
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*/
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function sapi_windows_cp_conv($in_codepage, $out_codepage, string $subject): string
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{
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error_clear_last();
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$result = \sapi_windows_cp_conv($in_codepage, $out_codepage, $subject);
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if ($result === null) {
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throw MiscException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Set the codepage of the current process.
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*
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* @param int $cp A codepage identifier.
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* @throws MiscException
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*
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*/
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function sapi_windows_cp_set(int $cp): void
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{
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error_clear_last();
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$result = \sapi_windows_cp_set($cp);
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if ($result === false) {
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throw MiscException::createFromPhpError();
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}
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}
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/**
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* Sends a CTRL event to another process in the same process group.
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*
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* @param int $event The CTRL even to send;
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* either PHP_WINDOWS_EVENT_CTRL_C
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* or PHP_WINDOWS_EVENT_CTRL_BREAK.
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* @param int $pid The ID of the process to which to send the event to. If 0
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* is given, the event is sent to all processes of the process group.
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* @throws MiscException
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*
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*/
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function sapi_windows_generate_ctrl_event(int $event, int $pid = 0): void
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{
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error_clear_last();
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$result = \sapi_windows_generate_ctrl_event($event, $pid);
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if ($result === false) {
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throw MiscException::createFromPhpError();
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}
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}
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/**
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* If enable is omitted, the function returns TRUE if the stream stream has VT100 control codes enabled, FALSE otherwise.
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*
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* If enable is specified, the function will try to enable or disable the VT100 features of the stream stream.
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* If the feature has been successfully enabled (or disabled).
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*
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* At startup, PHP tries to enable the VT100 feature of the STDOUT/STDERR streams. By the way, if those streams are redirected to a file, the VT100 features may not be enabled.
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*
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* If VT100 support is enabled, it is possible to use control sequences as they are known from the VT100 terminal.
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* They allow the modification of the terminal's output. On Windows these sequences are called Console Virtual Terminal Sequences.
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*
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* @param resource $stream The stream on which the function will operate.
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* @param bool $enable If specified, the VT100 feature will be enabled (if TRUE) or disabled (if FALSE).
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* @throws MiscException
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*
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*/
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function sapi_windows_vt100_support($stream, bool $enable = null): void
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{
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error_clear_last();
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if ($enable !== null) {
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$result = \sapi_windows_vt100_support($stream, $enable);
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} else {
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$result = \sapi_windows_vt100_support($stream);
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}
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if ($result === false) {
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throw MiscException::createFromPhpError();
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}
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}
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/**
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*
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*
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* @param int $seconds Halt time in seconds.
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* @return int Returns zero on success.
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*
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* If the call was interrupted by a signal, sleep returns
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* a non-zero value. On Windows, this value will always be
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* 192 (the value of the
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* WAIT_IO_COMPLETION constant within the Windows API).
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* On other platforms, the return value will be the number of seconds left to
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* sleep.
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* @throws MiscException
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*
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*/
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function sleep(int $seconds): int
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{
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error_clear_last();
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$result = \sleep($seconds);
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if ($result === false) {
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throw MiscException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Delays program execution for the given number of
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* seconds and nanoseconds.
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*
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* @param int $seconds Must be a non-negative integer.
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* @param int $nanoseconds Must be a non-negative integer less than 1 billion.
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* @return array{0:int,1:int}|bool Returns TRUE on success.
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*
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* If the delay was interrupted by a signal, an associative array will be
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* returned with the components:
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*
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*
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*
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* seconds - number of seconds remaining in
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* the delay
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*
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*
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*
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*
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* nanoseconds - number of nanoseconds
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* remaining in the delay
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*
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*
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*
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* @throws MiscException
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*
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*/
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function time_nanosleep(int $seconds, int $nanoseconds)
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{
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error_clear_last();
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$result = \time_nanosleep($seconds, $nanoseconds);
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if ($result === false) {
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throw MiscException::createFromPhpError();
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}
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return $result;
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}
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/**
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* Makes the script sleep until the specified
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* timestamp.
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*
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* @param float $timestamp The timestamp when the script should wake.
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* @throws MiscException
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*
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*/
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function time_sleep_until(float $timestamp): void
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{
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error_clear_last();
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$result = \time_sleep_until($timestamp);
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if ($result === false) {
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throw MiscException::createFromPhpError();
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}
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}
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/**
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* Unpacks from a binary string into an array according to the given
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* format.
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*
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* The unpacked data is stored in an associative array. To
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* accomplish this you have to name the different format codes and
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* separate them by a slash /. If a repeater argument is present,
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* then each of the array keys will have a sequence number behind
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* the given name.
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*
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* @param string $format See pack for an explanation of the format codes.
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* @param string $data The packed data.
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* @param int $offset The offset to begin unpacking from.
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* @return array Returns an associative array containing unpacked elements of binary
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* string.
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* @throws MiscException
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*
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*/
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function unpack(string $format, string $data, int $offset = 0): array
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{
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error_clear_last();
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$result = \unpack($format, $data, $offset);
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if ($result === false) {
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throw MiscException::createFromPhpError();
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}
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return $result;
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}
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